• 한국인터넷방송통신학회논문지
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• 제22권5호
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• pp.129-137
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• 2022

오팔(OPAL)세대가 이커머스 시장에 새로운 기회를 열고 있다. 이 연구는 혁신확산이론에 기초해 오팔세대 이커머스 이용자와 비이용자의 인구사회학적 속성과 혁신성을 비교하고, 이 같은 개인 특성들이 이커머스 이용 가능성에 미치는 영향을 살펴보았다. 연구 결과 오팔세대 이커머스 이용자는 비이용자보다 여성, 무소득층, 고소득층의 비중이 크며, 더 젊고, 교육 수준이 높은 특징을 보였다. 또한 기능적·쾌락적·사회적·인지적 혁신성이 높았다. 한편 오팔세대는 여성이 남성보다, 연령대가 낮을수록, 교육 수준이 높을수록, 기능적 및 쾌락적 혁신성이 높을수록 이커머스 이용 가능성이 큰 것으로 나타났다. 이 결과를 토대로 본 연구의 이론적 의의와 실무적 함의를 제시했다.

• 문화기술의 융합
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• 제8권6호
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• pp.59-65
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• 2022

최근에 신중년이라 불리는 1955년에서 1974년 사이에 태어난 베이비붐 세대는 거대 인구 집단을 형성하며 이전의 전통적 노인 세대와는 다른 특성을 보이고 있다. 전체 국가 인구의 33%를 차지하는 이들의 은퇴가 본격화되면서 신세대 노인인구집단의 등장과 이에 따른 정책변화가 요구되고 있다. 오팔세대라고 불리기도 하는 신중년층은 평균수명의 증가로 늘어난 노년기를 생산적이고 자율적으로 보내고 싶어 하며 노후에 해외여행을 즐기는 등 어느 정도 경제적 능력도 지니고 있지만, 다른 한편 여가·취미활동, 대인관계 등 활동적 노년에 대한 준비가 미흡해서 신세대로서의 신중년층을 위한 정책적 관심이 요구되고 있다. 본 논문에서는 베이비붐 세대를 중심으로 오팔세대의 정의, 그들의 소비생활을 비롯한 태도, 사회활동, 여가활동, 건강에 대한 노력 등의 라이프스타일에 대해 알아보고, 오팔세대에 맞는 고용창출, 사회적 재교육, 지역의료시설 구축, 여가문화 생활을 위한 사회적 배려 등 노후준비에 대해 실천적 방안을 제시하고자 한다.

• 멤브레인
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• 제26권6호
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• pp.421-431
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• 2016

최근 들어 정렬구조의 나노구조체를 이용한 분리막 응용기술이 큰 관심을 받고 있다. 나노구조체 분리막은 낮은 흐름저항을 통해 높은 투습성을 유지하면서도 매우 균일한 기공크기 특성으로 인해 높은 분리선택비를 가질 수 있다는 장점을 지닌다. 특히 콜로이드 입자의 자기조립체인 오팔상 및 그 역구조인 역오팔상 구조체를 이용한 분리막 기술이 각광을 받고 있는데, 기공크기를 자유롭게 제어하면서도 내부에 다양한 기능기의 도입이 가능하여 크기선별 분리 뿐 아니라 반응성 분리막의 응용에까지 폭넓게 적용이 가능하다. 더불어 다양한 멀티스케일 구조화 기술을 이용하여 기존의 분리막 소재에서는 다룰 수 없었던 다양한 형태의 기공 및 채널구조를 도입할 수 있어, 차세대 고부가가치 분리막 소재기술에 있어 큰 활용이 기대된다. 본 기고에서는 다양한 소재를 활용한 역오팔상 구조체 분리막 기술과 더불어 계층구조화를 통한 기능성 분리막의 개발에 대해 총괄적으로 살펴보고 논의하고자 한다.

• 한국의류산업학회지
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• 제23권2호
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• pp.212-225
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• 2021

With the recognition of YouTube as an information search tool, YouTube creators have subsequently become sources of information to consumers. Accordingly, this study aims to analyze the consumers' response of famous fashion YouTubers in Korea, and to identify differences in consumer response based on the gender and generation of YouTubers. During the period from the opening of fashion creators' YouTube channels, we collected postings on blogs and Internet cafes using textom. As a result of preliminary investigation, six fashion YouTubers were selected. First, all the selected fashion YouTubers were well recognized by consumers as fashion informants. However, Milanonna has been shown to act as a life advisor and as an informant for luxury brands at the same time. Second, female fashion YouTubers were perceived with themes related to daily life, beauty, emotions, and mood rather than fashion itself; whereas, male fashion YouTubers appeared to be more interested in fashion accessories, especially with respect to the basic style. Third, Generation Z fashion YouTubers used the most non-fashion keywords, and their Millennial counterparts used keywords related to fashion items and product purchase properties. However, consumer response to OPAL fashion YouTubers have emerged with items such as life experiences, wisdom, and advice. Moreover, OPAL fashion YouTubers showed a variety of consumer assessments and the YouTuber's personal background. This study's analysis of the differences in the consumer response to fashion YouTubers based on gender and age enables the establishment of an appropriate strategy to attract target consumers and identify their appeal points.

• 한국재료학회:학술대회논문집
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• 한국재료학회 2011년도 추계학술발표대회
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• pp.13.1-13.1
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• 2011

Photoelectrochemical solar cells such as dye-sensitized cells (DSSCs), which exhibit high performance and are cost-effective, provide an alternative to conventional p-n junction photovoltaic devices. However, the efficiency of such cells plateaus at 11~12%, in contrast to their theoretical value of 33%. The majority of research has focused on improving energy conversion efficiency of DSSC by controlling nanostructure and exploiting new materials in photoelectrode consisting of semiconducting oxide nanoparticles and a transparent conducting oxide electrode (TCO) [1-5]. In this presentation, we introduce inverse opal-based scattering layers containing highly crystalline anatase nanoparticles and their feasibility for use as bi-functional light scattering layer is discussed in terms of optical reflectance and charge generation properties as a function of optical wavelength. A new ITO nanowire-based photoelecrode is also introduced and its unique charge collection property is presented, demonstrating potential use for highly efficient charge collection in DSSC.

• 한국재료학회:학술대회논문집
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• 한국재료학회 2011년도 춘계학술발표대회
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• pp.7.2-7.2
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• 2011

Photoelectrochemical solar cells such as dye-sensitized cells (DSSCs), which exhibit high performance and are cost-effective, provide an alternative to conventional p-n junction photovoltaic devices. However, the efficiency of such cells plateaus at 11~12%, in contrast to their theoretical value of 33%. The majority of research has focused on improving energy conversion efficiency of DSSC by controlling nanostructure and exploiting new materials in photoelectrode consisting of semiconducting oxide nanoparticles and a transparent conducting oxide electrode (TCO). In this presentation, we introduce monodisperesed TiO2 nanoparticles prepared by forced hydrolysis method and their superiority as photoelectrode materials was characterized with aids of optical and electrochemical analysis. Inverse opal-based scattering layers containing highly crystalline anatase nanoparticles are also introduced and their feasibility for use as bi-functional light scattering layer is discussed in terms of optical reflectance and charge generation properties as a function of optical wavelength.

• 복식
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• 제59권7호
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• pp.77-85
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• 2009

Nowadays the numbers of the aging population are rapidly increasing in Korea, which became the 'aged country' from the year 2000. These aged people are getting more important consumer group and the products and services related to the silver industry are getting bigger. Universal fashion design is based on the concept of universal design that pursues the 'design for all'. This study aims to understand the physical, physiological, and psychological characteristics of the elderly women and apply the principles of universal design to universal fashion design for the elderly. Korean traditional vest, 'Baeja' was used as the design inference for the target of age 55 and older. This group is also called as 2Y2R(too young to retire), Tonk(too only no kids), Y-O(young-old) generation, or OPAL(old people with active life). Principles of universal design such as accessibility, flexibility in use, fair in use, aesthetics, safely-oriented were applied in developing the vest. This universal fashion products enable the elderly to have physical independence and make them have the self respect and better life.

• 한국재료학회:학술대회논문집
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• 한국재료학회 2011년도 춘계학술발표대회
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• pp.8.1-8.1
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• 2011

Nanocrystalline titanium dioxide ($TiO_2$) materials have been widely used as an electron collector in DSSC. This is required to have an extremely high porosity and surface area such that the dye can be sufficiently adsorbed and be electronically interconnected, resulting in the generation of a high photocurrent within cells. In particular, their geometrical structures and crystalline phase have been extensively investigated as important issues in improving its photovoltaic efficiency. In this study, we present a new strategy to fabricate a photoelectrode having a periodic structured $TiO_2$ film templated from 1D or 3D polystyrene (PS) microspheres array. Monodisperse PS spheres of various radiuses were used for colloidal array on FTO glasses and two types of photoelectrode structures with different $TiO_2$ materials were investigated respectively. One is the igloo-shaped electrode prepared by $TiO_2$ deposition by RF-sputtering onto 2D microsphere-templated substrates. At the interface between the film and substrate, there are voids formed by the decomposition of PS microspheres during the calcination step. These holes might be expected to play the predominant roles as scattering spherical voids to promote a light harvesting effect, a spacious structure for electrolytes with higher viscosity and effective paths for electron transfer. Additionally the nanocrystalline $TiO_2$ phase prepared by the RF-sputtering method was previously reported to improve the electron drift mobility within $TiO_2$ electrodes. This yields solar cells with a cell efficiency of 2.45% or more at AM 1.5 illumination, which is a very remarkable result, considering its $TiO_2$ electrode thickness (<2 ${\mu}m$). This study can be expanded to obtain higher cell efficiency by higher dye loading through the increase of surface area or multi-layered stacking. The other is the inverse opal photonic crystal electrode prepared by titania particles infusion within 3D colloidal arrays. To obtain the enlargement of ordered area and high quality of crystallinity, the synthesis of titania particles coated with a organic thin layer were applied instead of sol-gel process using the $TiO_2$ precursors. They were dispersed so well in most solvents without aggregates and infused successfully within colloidal array structures. This ordered mesoporous structure provides the large surface area leading to the enough adsorption of dye molecules and have an light harvesting effect due to the photonic band gap properties (back-and-forth reflection effects within structures). A major advantage of this colloidal array template method is that the pore size and its distribution within $TiO_2$ photoelectrodes are determined by those of latex beads, which can be controlled easily. These materials may have promising potentials for future applications of membrane, sensor and so on as well as solar cells.